Author Verified
ACE Report #8703
Ace Report Cover Shoulder & Elbow

Faster interscalene nerve block onset with injection inside brachial plexus sheath

Study Type:Randomized Trial
OE Level Evidence:2
Journal Level of Evidence:N/A

Comparison of Outside Versus Inside Brachial Plexus Sheath Injection for Ultrasound-Guided Interscalene Nerve Blocks

J Ultrasound Med. 2016 Feb;35(2):279-85

Contributing Authors: J Maga A Missair A Visan L Kaplan JF Gutierrez AR Jain RE Gebhard

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60 patients undergoing elective shoulder surgery and receiving an interscalene nerve block were randomized to an injection of 0.5% ropivacaine either directly inside the brachial plexus sheath, or outside the brachial plexus sheath. The study was conducted in order to determine which administration method yielded a faster nerve block and to assess the side effects of each injection technique. It w...

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